Thor's scaldfish (Arnoglossus thori)

Scientific name: Arnoglossus thori Kyle, 1913

The Thor's scaldfish (Arnoglossus thori) is a marine fish of the family Bothidae. Native range: Eastern Atlantic, Ireland to Sierra Leone and Cape Verde. Also known from the western Mediterranean and Black Sea.

Biology

Found on the upper 100 m of the continental shelf. Feeds on small fishes and invertebrates. Minimum depth reported taken from but has been caught in depths inferior to 10m.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Arnoglossus thori
Family: Bothidae (Lefteye flounders)
Order: Pleuronectiformes (Flatfishes)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 18.0
Common length: 12.0
Depth range: 15–300 m (49–984 ft)
Environment: Marine; demersal; depth range 15 - 300 m
Climate: Subtropical
Distribution: Eastern Atlantic: Ireland to Sierra Leone and Cape Verde. Also known from the western Mediterranean and Black Sea.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Fisheries: minor commercial
Resilience: Medium, minimum population doubling time 1.4 - 4.4 years (K=0.51-0.58; tm=2; tmax=10)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

Last updated 27 September 2026